[email protected] <> wrote:
> Hi,
> 
> I am using threads and perl and after a particular number of thread
> creation/destruction (2 to 15) perl crashes when doing a join. 
> 
> I saw a similar problem dated from July 2004:
> http://aspn.activestate.com/ASPN/Mail/Message/perl-win32-users/2131329
> 
> Any idea if I am facing the same problem on Perl 5.10 ?
> Any idea if there is any workaround ?

Perhaps you could provide more detail. A small example script that
demonstrates the problem would be good.

For example, the following script, which creates a lot more than 15
threads, has run to completion on my box every time so far (Activestate
Perl 5.10.0 build 1004, on XP):

use strict;
use warnings;

use threads;
my $at_a_time = 20;
for (1..10) {
    print "------------------\n";
    print "Iteration $_\n";
    for (1..$at_a_time) {
        my $thr = threads->create(\&threadsub);
    }
    print "Waiting for threads to finish\n";
    while (threads->list(threads::all) > 0) {
        foreach my $thr (threads->list(threads::joinable)) {
            my $result = $thr->join();
            my $id = $thr->tid();
            print "Result for thread $id is $result\n";
        }
        select undef, undef, undef, 0.1;
    }
    print "All threads finished\n";
}

sub threadsub {
    my $id = threads->tid();
    print "Thread $id starting\n";
    my $delay = int(rand(5)) + 1;
    sleep $delay;
    print "Thread $id terminating\n";
    return $delay;
}

HTH

-- 
Brian Raven 
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